Oh, yes. I missed to add my newly defined ValueSpec as parameter to withValueSpec() method. After placed it works, thank you Igal
At 2022-02-15 01:42:39, "Igal Shilman" <igal.shil...@gmail.com> wrote: Hello, Make sure that you have added the state when creating the function spec like in this example[1] If that wasn't it, can you send your UserFn? [1] https://github.com/apache/flink-statefun-playground/blob/release-3.2/java/greeter/src/main/java/org/apache/flink/statefun/playground/java/greeter/UserFn.java#L50 Cheers, Igal. On Sun, Feb 13, 2022 at 4:03 AM casel.chen <casel_c...@126.com> wrote: Hello, I am trying Greeting example of Flink Stateful Functions playground. According to the README.md guide I tried to add previous login location in the state after run the example well in my laptop. I added one more state named "previous_login_location" in UserFn, and print it in GreetingsFn. When I build and run again, it complains the following error. It seems the system can NOT find the newly added state. Question: How to add a new state in this case? How to ensure state evolution? Thanks! Caused by: org.apache.flink.statefun.sdk.java.storage.IllegalStorageAccessException: Error accessing state previous_login_location; State does not exist; make sure that this state was registered. greeter-functions_1 | at org.apache.flink.statefun.sdk.java.storage.ConcurrentAddressScopedStorage.slowGetCellOrThrow(ConcurrentAddressScopedStorage.java:102) greeter-functions_1 | at org.apache.flink.statefun.sdk.java.storage.ConcurrentAddressScopedStorage.getCellOrThrow(ConcurrentAddressScopedStorage.java:78)
